commit 078e2d9c2c43fc2b4752ab1dcf4627c840009992
Author: kjuulh <contact@kjuulh.io>
Date:   Fri Jan 27 08:31:09 2023 +0100

    Add base sdk

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..2f7896d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
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diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..298baf4
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+name = "windows_i686_gnu"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "de3887528ad530ba7bdbb1faa8275ec7a1155a45ffa57c37993960277145d640"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf4d1122317eddd6ff351aa852118a2418ad4214e6613a50e0191f7004372605"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1040f221285e17ebccbc2591ffdc2d44ee1f9186324dd3e84e99ac68d699c45"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "628bfdf232daa22b0d64fdb62b09fcc36bb01f05a3939e20ab73aaf9470d0463"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "447660ad36a13288b1db4d4248e857b510e8c3a225c822ba4fb748c0aafecffd"
+
+[[package]]
+name = "winreg"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "80d0f4e272c85def139476380b12f9ac60926689dd2e01d4923222f40580869d"
+dependencies = [
+ "winapi",
+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..a1e6f19
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "rust"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+clap = "4.1.4"
+dirs = "4.0.0"
+eyre = "0.6.8"
+platform-info = "1.0.2"
+reqwest = { version = "0.11.14", features = ["stream", "blocking", "deflate"] }
+tempfile = "3.3.0"
diff --git a/src/cli.rs b/src/cli.rs
new file mode 100644
index 0000000..0faf23f
--- /dev/null
+++ b/src/cli.rs
@@ -0,0 +1,22 @@
+pub struct Cli {
+    cmd: clap::Command,
+}
+
+impl Cli {
+    pub fn new() -> eyre::Result<Self> {
+        Ok(Self {
+            cmd: clap::Command::new("dagger-rust")
+                .subcommand_required(true)
+                .subcommand(clap::Command::new("generate")),
+        })
+    }
+
+    pub fn execute(self, args: &[&str]) -> eyre::Result<()> {
+        let matches = self.cmd.get_matches_from(args);
+
+        match matches.subcommand() {
+            Some(("generate", args)) => Ok(()),
+            _ => eyre::bail!("command missing"),
+        }
+    }
+}
diff --git a/src/dagger.rs b/src/dagger.rs
new file mode 100644
index 0000000..6b802ba
--- /dev/null
+++ b/src/dagger.rs
@@ -0,0 +1,21 @@
+use std::sync::Arc;
+
+pub fn connect() -> eyre::Result<Client> {
+    Client::new()
+}
+
+struct InnerClient {}
+
+pub struct Client {
+    inner: Arc<InnerClient>,
+}
+
+impl Client {
+    pub fn new() -> eyre::Result<Self> {
+        Ok(Self {
+            inner: Arc::new(InnerClient {}),
+        })
+    }
+
+    //    pub fn container(&self) -> Container {}
+}
diff --git a/src/downloader.rs b/src/downloader.rs
new file mode 100644
index 0000000..57dfbfe
--- /dev/null
+++ b/src/downloader.rs
@@ -0,0 +1,206 @@
+use std::{
+    fs::File,
+    io::{BufWriter, Read, Write},
+    path::PathBuf,
+};
+
+use eyre::Context;
+use platform_info::Uname;
+use tempfile::{tempfile, NamedTempFile};
+
+#[derive(Clone)]
+pub struct Platform {
+    pub os: String,
+    pub arch: String,
+}
+
+impl Platform {
+    pub fn from_system() -> eyre::Result<Self> {
+        let platform = platform_info::PlatformInfo::new()?;
+        let os_name = platform.sysname();
+        let arch = platform.machine().to_lowercase();
+        let normalize_arch = match arch.as_str() {
+            "x86_64" => "amd64",
+            "aarch" => "arm64",
+            arch => arch,
+        };
+
+        Ok(Self {
+            os: os_name.to_lowercase(),
+            arch: normalize_arch.into(),
+        })
+    }
+}
+
+pub struct TempFile {
+    prefix: String,
+    directory: PathBuf,
+    file: File,
+}
+
+impl TempFile {
+    pub fn new(prefix: &str, directory: &PathBuf) -> eyre::Result<Self> {
+        let prefix = prefix.to_string();
+        let directory = directory.clone();
+
+        let file = tempfile()?;
+
+        Ok(Self {
+            prefix,
+            directory,
+            file,
+        })
+    }
+}
+
+pub type CliVersion = String;
+
+pub struct Downloader {
+    version: CliVersion,
+    platform: Platform,
+}
+const DEFAULT_CLI_HOST: &str = "dl.dagger.io";
+const CLI_BIN_PREFIX: &str = "dagger-";
+const CLI_BASE_URL: &str = "https://dl.dagger.io/dagger/releases";
+
+impl Downloader {
+    pub fn new(version: CliVersion) -> eyre::Result<Self> {
+        Ok(Self {
+            version,
+            platform: Platform::from_system()?,
+        })
+    }
+
+    pub fn archive_url(&self) -> String {
+        let ext = match self.platform.os.as_str() {
+            "windows" => "zip",
+            _ => "tar.gz",
+        };
+        let version = &self.version;
+        let os = &self.platform.os;
+        let arch = &self.platform.arch;
+
+        format!("{CLI_BASE_URL}/{version}/dagger_v{version}_{os}_{arch}.{ext}")
+    }
+
+    pub fn checksum_url(&self) -> String {
+        let version = &self.version;
+
+        format!("{CLI_BASE_URL}/{version}/checksums.txt")
+    }
+
+    pub fn cache_dir(&self) -> eyre::Result<PathBuf> {
+        let env = std::env::var("XDG_CACHE_HOME").unwrap_or("".into());
+        let env = env.trim();
+        let mut path = match env {
+            "" => dirs::cache_dir().ok_or(eyre::anyhow!(
+                "could not find cache_dir, either in env or XDG_CACHE_HOME"
+            ))?,
+            path => PathBuf::from(path),
+        };
+
+        path.push("dagger");
+
+        std::fs::create_dir_all(&path)?;
+
+        Ok(path)
+    }
+
+    pub fn get_cli(&self) -> eyre::Result<PathBuf> {
+        let version = &self.version;
+        let mut cli_bin_path = self.cache_dir()?;
+        cli_bin_path.push(format!("{CLI_BIN_PREFIX}{version}"));
+        if self.platform.os == "windows" {
+            cli_bin_path = cli_bin_path.with_extension("exe")
+        }
+
+        if !cli_bin_path.exists() {
+            cli_bin_path = self
+                .download(cli_bin_path)
+                .context("failed to download CLI from archive")?;
+        }
+
+        for file in self.cache_dir()?.read_dir()? {
+            if let Ok(entry) = file {
+                let path = entry.path();
+                if path != cli_bin_path {
+                    std::fs::remove_file(path)?;
+                }
+            }
+        }
+
+        Ok(cli_bin_path)
+    }
+
+    fn download(&self, path: PathBuf) -> eyre::Result<PathBuf> {
+        let expected_checksum = self.expected_checksum()?;
+
+        let (actual_hash, tempbin) = self.extract_cli_archive()?;
+
+        if expected_checksum != actual_hash {
+            eyre::bail!("downloaded CLI binary checksum doesn't match checksum from checksums.txt")
+        }
+
+        todo!();
+    }
+
+    fn expected_checksum(&self) -> eyre::Result<String> {
+        let archive_url = &self.archive_url();
+        let archive_path = PathBuf::from(&archive_url);
+        let archive_name = archive_path
+            .file_name()
+            .ok_or(eyre::anyhow!("could not get file_name from archive_url"))?;
+        let resp = reqwest::blocking::get(self.checksum_url())?;
+        let resp = resp.error_for_status()?;
+        for line in resp.text()?.lines() {
+            let mut content = line.split_whitespace();
+            let checksum = content
+                .next()
+                .ok_or(eyre::anyhow!("could not find checksum in checksums.txt"))?;
+            let file_name = content
+                .next()
+                .ok_or(eyre::anyhow!("could not find file_name in checksums.txt"))?;
+
+            if file_name == archive_name {
+                return Ok(checksum.to_string());
+            }
+        }
+
+        eyre::bail!("could not find a matching version or binary in checksums.txt")
+    }
+
+    pub fn extract_cli_archive(&self) -> eyre::Result<(String, File)> {
+        let archive_url = self.archive_url();
+        let resp = reqwest::blocking::get(&archive_url)?;
+        let mut resp = resp.error_for_status()?;
+        let temp = NamedTempFile::new()?;
+        let (file, path) = temp.keep()?;
+        println!("path: {:?}", path);
+
+        let mut buf_writer = BufWriter::new(file);
+        let mut bytes = vec![];
+        let _ = resp.read_to_end(&mut bytes)?;
+        buf_writer.write_all(bytes.as_slice())?;
+
+        if archive_url.ends_with(".zip") {
+            // TODO:  Nothing for now
+        } else {
+            //self.extract_from_tar(&temp)?;
+        }
+        todo!()
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use std::path::PathBuf;
+
+    use super::Downloader;
+
+    #[test]
+    fn download() {
+        let cli_path = Downloader::new("0.3.10".into()).unwrap().get_cli().unwrap();
+
+        assert_eq!(PathBuf::from("/"), cli_path)
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..3c163e4
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,4 @@
+pub mod cli;
+pub mod dagger;
+mod downloader;
+mod schema;
diff --git a/src/schema.rs b/src/schema.rs
new file mode 100644
index 0000000..e69de29
diff --git a/tests/integration.rs b/tests/integration.rs
new file mode 100644
index 0000000..3385c7a
--- /dev/null
+++ b/tests/integration.rs
@@ -0,0 +1,18 @@
+#[cfg(test)]
+mod test {
+    use rust::dagger;
+
+    #[test]
+    fn example_container() {
+        let client = dagger::connect().unwrap();
+        let alpine = client.container().from("alpine:3.16.2").unwrap();
+        let out = alpine
+            .exec(dagger::ContainerExecOpts {
+                args: vec!["cat", "/etc/alpine-release"],
+            })
+            .stdout()
+            .unwrap();
+
+        assert_eq!("3.16.2", out);
+    }
+}